[vsnet-chat 8927] SDSSJ155037.27+405440.0: polar
24 Sep
2021
24 Sep
'21
6:10 a.m.
SDSSJ155037.27+405440.0: polar From ZTF data. Porb=0.0524651(1) d. Low state in 2021. HeII in SDSS.
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Taichi Kato